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| Park Name | Notes | Stamp(s) |
Agate Fossil BedsNational Monument |
Fossilized animal remains. | 
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HomesteadNational Monument of America |
Commemorating the Homestead Act of 1862. | 
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MissouriNational Recreational River |
Boating, hiking, state parks. | 
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NiobraraNational Scenic River |
Waterfalls, bison. |   
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Scotts BluffNational Monument |
A way point on the Oregon Trail. | 
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